<!DOCTYPE html>
<html lang="">

<head>
  <meta charset="utf-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width,initial-scale=1.0">
  <title></title>
</head>

<body>
  <div id="app">
    <style>
      img {
        width: 200px;
        position: fixed;
        left: 50%;
        top: 50%;
        transform: translate(-50%, -50%);
      }
    </style>
    <img src="./loading.gif" alt="">
  </div>
  <% if(NODE_ENV==="projction" ){ %>
    <script src="https://cdn.bootcdn.net/ajax/libs/vue/2.6.12/vue.min.js"></script>
    <script src="https://cdn.bootcdn.net/ajax/libs/vuex/3.5.1/vuex.min.js"></script>
    <script src="https://cdn.bootcdn.net/ajax/libs/vue-router/3.4.7/vue-router.min.js"></script>
  <% } %>
</body>

</html>